| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.70 | -0.15 |
| Feb | 3.10 | 3.12 | -0.02 |
| Mar | 3.79 | 4.04 | -0.25 |
| Apr | 3.62 | 3.67 | -0.05 |
| May | 3.55 | 3.44 | 0.11 |
| Jun | 4.15 | 4.25 | -0.10 |
| Jul | 3.86 | 4.10 | -0.24 |
| Aug | 4.14 | 4.34 | -0.20 |
| Sep | 3.81 | 4.02 | -0.21 |
| Oct | 3.17 | 3.33 | -0.16 |
| Nov | 3.25 | 3.30 | -0.05 |
| Dec | 3.49 | 3.69 | -0.20 |
43.48 | 45.00 | -1.52 |